Pie graph data. 5% reptiles, 5% birds, 10% fish, 35% cats,45% dogs if 30 sixth graders own birds, how many sixth graders were surveyed? ? show your work

Based on the figures as marked, /\rqs = —

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)